// Copyright (C) 2013 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 13.6.4.13
description: >
    Generic objects with `@@iterator` protocols should function as iterables.
features: [Symbol.iterator]
---*/

function Test() {
    var iterable = {};
    iterable[Symbol.iterator] = function() {
      var j = 0;
      return {
        next: function() {
          j = j + 2;
          return { value: j, done: j === 8 };
        }
      }
    };
    var expected = [2, 4, 6];
    var i = 0;

    for (var x of iterable) {
      assert.sameValue(x, expected[i]);
      i++;
    }

    assert.sameValue(i, 3);
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
